The Swinging Pendulum of PSA Screening

The debate continues over the practice of mass screening of healthy men with prostate-specific antigen (PSA) blood tests for the early detection of prostate cancer. The article cites Richard Ablin, PhD, of the University of Arizona College of Medicine, who discovered PSA in 1970. He stressed that PSA testing was not intended for use for mass screening but rather to follow men with advanced disease.